. >> you even do fun experiments to educate them, for example? >> i do. you take a piece of colored construction paper, put it outside for a couple hours, you put a key, some objects on it and they can see how the sun fades it. and it's a good way to show them that there are these powers at work we can't see. >> well, it's great advice, it's great to read about your journey. glad you're doing so well today. >> thank you. >>> and coming up next, a live performance from ellie. but first this is "toda ♪ >>> the toyota concert series on "today" brought to you by toyota. >> british singer/song writer ellie goulding performed at the duke and duchess of cambridge wedding. now she's out with her second album. good to see you. so i spent some time reading about you last night. and you said every interview you've done for the last two years has been about one subject. because i want you to like me, i'm not even going to mention it. so let's just talk about you. you were one of the only, the only british singer to win the two most prestigious newcomer awards. how